Adtran Atlas 800 Series HDLC Module 1200222L1 Phones Multiplexes / demultiplexes one STS-1

Multiplexes / demultiplexes one STS-1 into 28 VT1

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Adtran Atlas 800 Series HDLC Module 1200222L1 Phones Multiplexes / demultiplexes one STS-1Adtran Atlas 800 Series HDLC Module 1200222L1 Description: The Adtran 1200222L1 is an HDLC module for the Adtran Atlas 800. The 1200222L1 provides 128 controllers at 56 64 Kbps channels. The HDLC module is required for PRI over T3 applications in the Atlas 800 Plus and 810 Plus. Adtran 1200222L1 Features: Provides 128 HDLC controllers(56 64 Kbps each) Required for PRI over T3 applications in the ATLAS 800 PLUS and ATLAS 810 PLUS Supports public and